71b3661c3f6d53722ec93e1493ef0dbed85358569429d9f9a6d481ce3a5214c9

Analysis

max time kernel
1s
max time network
77s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:47

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General

Target

26e2911a59f6c13c7455c843f1e3125d.exe
Size

44KB
MD5

26e2911a59f6c13c7455c843f1e3125d
SHA1

ed0a403a613e354bda3d796f185da603fa4c7935
SHA256

71b3661c3f6d53722ec93e1493ef0dbed85358569429d9f9a6d481ce3a5214c9
SHA512

5b9ba0eb342baab5eefff0fc2dfac4f8d7d2b2753bd65ef2ad6ee12729cbdee4f16430f15c8b74519b6dcc7234779a3f2f15994074ccb16e4b961c7e2e54e060
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFNgqHQjmALIuW/DJ5LDu:SKcR4mjD9r823FNCAF5fu

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3972	8AhYYBE1iXBp4Dn.exe
2708	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1928-0-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/memory/2708-9-0x0000000000AD0000-0x0000000000AE7000-memory.dmp	upx
behavioral2/memory/1928-7-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	26e2911a59f6c13c7455c843f1e3125d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	26e2911a59f6c13c7455c843f1e3125d.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	26e2911a59f6c13c7455c843f1e3125d.exe
Token: SeDebugPrivilege	2708	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 3972	1928	26e2911a59f6c13c7455c843f1e3125d.exe	16
PID 1928 wrote to memory of 3972	1928	26e2911a59f6c13c7455c843f1e3125d.exe	16
PID 1928 wrote to memory of 3972	1928	26e2911a59f6c13c7455c843f1e3125d.exe	16
PID 1928 wrote to memory of 2708	1928	26e2911a59f6c13c7455c843f1e3125d.exe	15
PID 1928 wrote to memory of 2708	1928	26e2911a59f6c13c7455c843f1e3125d.exe	15
PID 1928 wrote to memory of 2708	1928	26e2911a59f6c13c7455c843f1e3125d.exe	15

C:\Users\Admin\AppData\Local\Temp\26e2911a59f6c13c7455c843f1e3125d.exe
"C:\Users\Admin\AppData\Local\Temp\26e2911a59f6c13c7455c843f1e3125d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\8AhYYBE1iXBp4Dn.exe
  C:\Users\Admin\AppData\Local\Temp\8AhYYBE1iXBp4Dn.exe
  2⤵
  - Executes dropped EXE
  PID:3972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1928-0-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/1928-7-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/2708-9-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

Filesize
92KB

Download
memory/2708-50-0x0000000000AD0000-0x0000000000AE7000-memory.dmp

Filesize
92KB

Download
memory/3972-16-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3972-20-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download
memory/3972-22-0x0000000001490000-0x00000000014A0000-memory.dmp

Filesize
64KB

Download
memory/3972-49-0x00000000751D0000-0x0000000075781000-memory.dmp

Filesize
5.7MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads